裸眼完井的油气层完全裸露,油气流动的阻力小,在相同地层压力下,气井的()高。A.压力

题型:单项选择题

问题:

裸眼完井的油气层完全裸露,油气流动的阻力小,在相同地层压力下,气井的()高。

A.压力

B.温度

C.产量

D.无阻流量

考点:采气工考试采气中级工考试采气中级工考试题库
题型:单项选择题

冻疮的主要致病因素是指:()

A.寒邪外袭,耗伤阳气

B.气血衰弱,寒邪侵袭

C.元气虚弱,不耐其寒

D.命门火衰,阳气不足

E.肾阳虚损,阴盛及阳

题型:单项选择题

《自然保护区条例》规定,自然保护核心区外围可以划定一定面积的缓冲区,只准进入从事( )活动。

A.教学实验

B.参观考察

C.繁殖珍稀、濒危野生动物

D.科学研究观测

题型:单项选择题

SnCl2、FeSO4、Na2SO3与空气接触易逐渐被氧化,须密封保存。

题型:单项选择题

下列关于劳动争议仲裁的基本特点的表述中,错误的是( )。

A.从仲裁主体上看,劳动争议仲裁机构由劳动行政主管部门、同级工会、用人单位方面的代表三方组成
B.从解决对象看,劳动争议仲裁解决劳动争议
C.从仲裁实行的原则看,劳动争议仲裁实行的是约定管辖
D.从与诉讼的关系看,当事人对劳动争议仲裁裁决不服的.可以向法院起诉

题型:单项选择题

Visitors to this country are normally admitted for six months, but foreign students can usually stay for one year. They must (51) an educational institution, and they are required to study for a minimum of fifteen hours a week on a (52) course. Prospective students have to show that they can afford their studies, and that they have sufficient (53) resources to support themselves (54) in this country.

In order to work here the foreigner needs a work permit, (55) must be applied for by his prospective employer. The problem here is that the Department of Employment has the right to grant or (56) these permits, and there is little that can be done (57) it; it would be extremely unwise for a foreign visitor to work (58) a permit, since anyone doing so is liable to immediate deportation (驱逐出境). There are some people from the Common Market countries, who are often given (59) residence permits of up to five years. Some other people, such as doctors, foreign journalists, authors and others can work without permits, and foreign students are normally allowed to (60) part-time jobs while they are studying here.

57().

A.for 

B.on 

C.about 

D.with

更多题库